When DMA (Direct Memory Access) is enabled, your computer's processor is not accessed. You can help accelerate the transfer rate of your Iomega® CD-RW (ZipCD™ 650) ATAPI drive by enabling DMA. Please use the following steps to enable DMA on your drive.

Select your operating system

Windows 95/98/Me | Windows 2000/XP | Windows NT

Windows® 98/95/Me

1. Click Start, Settings and Control Panel.
   
   
2. Click the System icon.
   
   
3. Click the Device Manager tab.
   
   
4. Click the plus (+) sign next to CDROM.
   
   
5. Double-click the icon for your ZipCD drive.
   
   
6. Click the Settings tab.
   
   
7. Under Options, click DMA to enable the option.
   
   Note: A check mark should be present in the box next to DMA.
   
   
8. Click OK.
   
   

Windows 2000/XP

1. Right-click the My Computer icon and select Manage.
   
   
2. Click the Device Manager icon.
   
   
3. Click the plus (+) sign next to IDE ATA/ATAPI controllers.
   
   
4. Double-click the Primary IDE Channel or Secondary IDE Channel icon where your ZipCD drive is located.
   
   
5. Click the Advanced Settings tab.
   
   
6. Under Device 0 (master) or Device 1 (slave), depends on where your ZipCD drive is located, select 'DMA if available' from the drop-down box next to Transfer Mode.
   
   
7. Click OK.
   
   

Windows NT®

Note: You will need to be logged in as Administrator for the following steps.


1. Download, to your desktop, the DMA Check application (DMACHCKI.EXE) from the Microsoft® Web site at http://support.microsoft.com/support/kb/articles/Q191/7/74.ASP
   
   Note: If you already have DMA Check on your computer, proceed to step C.
   
   
2. Double-click the downloaded file, DMACHCKI.EXE.
   
   
3. Double-click the DMACHECK.EXE icon to start the DMA Check application.
   
   
4. The ATAPI DMA Support window should now appear.
   
   
5. Under DMA Usage Channel 0 or DMA Usage Channel 1, depends on where your ZipCD drive is located, click Enabled.
   
   
6. Click OK.
   
   
7. Click OK.
   
   

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